Remove OwnPtr from Blink.

third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.cpp b/third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.cpp
index 4cf925d7891f4d170425dfa1d2678900808437a0..019fe0899bf15c9c1edaf561763a3922f43606e2 100644
--- a/third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.cpp
+++ b/third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.cpp
@@ -9,6 +9,8 @@
 #include "core/css/CSSValueList.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/style/ComputedStyle.h"
+#include "wtf/PtrUtil.h"
+#include <memory>
 
 namespace blink {
 
@@ -63,9 +65,9 @@ namespace {
 
 class UnderlyingIndentModeChecker : public InterpolationType::ConversionChecker {
 public:
-    static PassOwnPtr<UnderlyingIndentModeChecker> create(const IndentMode& mode)
+    static std::unique_ptr<UnderlyingIndentModeChecker> create(const IndentMode& mode)
     {
-        return adoptPtr(new UnderlyingIndentModeChecker(mode));
+        return wrapUnique(new UnderlyingIndentModeChecker(mode));
     }
 
     bool isValid(const InterpolationEnvironment&, const InterpolationValue& underlying) const final
@@ -83,9 +85,9 @@ private:
 
 class InheritedIndentModeChecker : public InterpolationType::ConversionChecker {
 public:
-    static PassOwnPtr<InheritedIndentModeChecker> create(const IndentMode& mode)
+    static std::unique_ptr<InheritedIndentModeChecker> create(const IndentMode& mode)
     {
-        return adoptPtr(new InheritedIndentModeChecker(mode));
+        return wrapUnique(new InheritedIndentModeChecker(mode));
     }
 
     bool isValid(const InterpolationEnvironment& environment, const InterpolationValue&) const final